Base | Representation |
---|---|
bin | 111110110001110… |
… | …1100001001001101 |
3 | 12102210202200112101 |
4 | 1331203230021031 |
5 | 13303231222403 |
6 | 545005435101 |
7 | 103126010212 |
oct | 17543541115 |
9 | 5383680471 |
10 | 2106507853 |
11 | 99108358a |
12 | 4a956ba91 |
13 | 277559068 |
14 | 15daa1b09 |
15 | c4e0071d |
hex | 7d8ec24d |
2106507853 has 2 divisors, whose sum is σ = 2106507854. Its totient is φ = 2106507852.
The previous prime is 2106507839. The next prime is 2106507889. The reversal of 2106507853 is 3587056012.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1906370244 + 200137609 = 43662^2 + 14147^2 .
It is a cyclic number.
It is not a de Polignac number, because 2106507853 - 29 = 2106507341 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2106507353) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053253926 + 1053253927.
It is an arithmetic number, because the mean of its divisors is an integer number (1053253927).
Almost surely, 22106507853 is an apocalyptic number.
It is an amenable number.
2106507853 is a deficient number, since it is larger than the sum of its proper divisors (1).
2106507853 is an equidigital number, since it uses as much as digits as its factorization.
2106507853 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 50400, while the sum is 37.
The square root of 2106507853 is about 45896.7085203286. The cubic root of 2106507853 is about 1281.9006295869.
The spelling of 2106507853 in words is "two billion, one hundred six million, five hundred seven thousand, eight hundred fifty-three".
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